000 00341nam a2200133Ia 4500
654 _aELN
100 _aDeshpande.N.D. & Deshpande.D.A.
250 _a1st Ed.
245 _aCommunications Electronics.
260 _bTata McGraw-Hill Publishing Company Limited
_c1989
082 _bDES
_a621.384
300 _aXVI, 418p.
999 _c17350
_d17350
655 _aF-02
546 _aText in English
041 _aeng
300 _c23 cm.